FileInfo.com


.AA File Extension


File Type 1 Audible Audio Book File  (Most common)
File Format File
Common? No
File Description Digital audio format used by Audible to store audio books; designed for storing spoken word audio and supports chapter markers, bookmarks, etc; Audible files are supported by the Apple iPod, Creative Zen, SanDisk Sansa, various GPS devices, and the Amazon Kindle.

AA audio files can be converted to the more compatible .MP3 format using a program like Tunebite or TuneCab.
Program(s) that open aa files Mac: Apple iTunes
Windows: Audible AudibleManager; Apple iTunes; Nero 7 or later; RapidSolution Software Tunebite; TuneCab
Pocket PC: Audible AudiblePlayer

File Type 2 Generic CD Image
File Format Standard File
Common? No
File Description Generic disc image created by a disc imaging program; stores an exact replica of a hard disk or other type of media; basically an .ISO file with a different file extension.
Program(s) that open aa files Windows: Smart Projects IsoBuster

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/aa